IRTC · iRhythm Holdings, Inc. · Held by Funds
Market Cap
$3.67B
Shares
32.96M
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this exact listed security, matched by CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding IRTC
306 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 1,026,322 | $122,081,002 | 0.01% | Long | 2026-06-30 | |
| iShares Russell 2000 ETF | IWM | 860,238 | $102,325,310 | 0.12% | Long | 2026-06-30 | |
| VANGUARD SMALL-CAP INDEX FUND | — | 741,498 | $88,201,187 | 0.05% | Long | 2026-06-30 | |
| Eventide Gilead Fund | — | 582,472 | $69,285,044 | 2.01% | Long | 2026-06-30 | |
| VANGUARD EXPLORER FUND | — | 458,646 | $59,238,717 | 0.27% | Long | 2026-04-30 | |
| FULLERTHALER BEHAVIORAL SMALL-CAP GROWTH | — | 447,100 | $53,182,545 | 0.86% | Long | 2026-06-30 | |
| Bridge Builder Small/Mid Cap Growth Fund | BBGSX | 435,607 | $51,815,453 | 0.46% | Long | 2026-06-30 | |
| Select Medical Technology and Devices Portfolio | FSMEX | 450,000 | $51,255,000 | 1.72% | Long | 2026-05-31 | |
| VANGUARD SMALL-CAP GROWTH INDEX FUND | — | 427,292 | $50,826,383 | 0.11% | Long | 2026-06-30 | |
| Artisan Mid Cap Fund | — | 378,618 | $45,036,611 | 1.41% | Long | 2026-06-30 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 377,971 | $44,959,650 | 0.05% | Long | 2026-06-30 | |
| Fidelity Small Cap Index Fund | FSSNX | 315,166 | $40,706,841 | 0.13% | Long | 2026-04-30 | |
| SMALLCAP World Fund Inc | — | 326,172 | $38,798,159 | 0.04% | Long | 2026-06-30 | |
| iShares Russell 2000 Growth ETF | IWO | 305,804 | $36,375,386 | 0.24% | Long | 2026-06-30 | |
| Eventide Healthcare & Life Sciences Fund | — | 277,739 | $33,037,054 | 1.85% | Long | 2026-06-30 | |
| JPMorgan Mid Cap Growth Fund | — | 207,278 | $24,655,718 | 0.19% | Long | 2026-06-30 | |
| Oberweis Small-Cap Opportunities Fund | — | 178,500 | $21,232,575 | 0.75% | Long | 2026-06-30 | |
| Select Health Care Portfolio | — | 180,000 | $20,502,000 | 0.35% | Long | 2026-05-31 | |
| VANGUARD STRATEGIC EQUITY FUND | VSEQX | 171,669 | $20,420,028 | 0.17% | Long | 2026-06-30 | |
| Columbia Acorn Fund | — | 169,788 | $20,196,283 | 0.73% | Long | 2026-06-30 | |
| Fidelity Extended Market Index Fund | FSMAX | 166,803 | $18,998,862 | 0.04% | Long | 2026-05-31 | |
| VANGUARD RUSSELL 2000 INDEX FUND | — | 163,801 | $18,656,934 | 0.11% | Long | 2026-05-31 | |
| iShares U.S. Medical Devices ETF | IHI | 153,887 | $18,304,859 | 0.61% | Long | 2026-06-30 | |
| Schwab U.S. Small-Cap ETF | SCHA | 155,045 | $17,659,626 | 0.08% | Long | 2026-05-31 | |
| JPMorgan Small Cap Growth Fund | — | 140,843 | $16,753,275 | 0.64% | Long | 2026-06-30 | |
| BARON DISCOVERY FUND | — | 130,000 | $15,463,500 | 0.85% | Long | 2026-06-30 | |
| Loomis Sayles Small Cap Growth Fund | — | 128,974 | $15,341,457 | 0.68% | Long | 2026-06-30 | |
| ALGER SMALL CAP FOCUS FUND | — | 118,092 | $15,252,763 | 1.93% | Long | 2026-04-30 | |
| JNL Multi-Manager Small Cap Growth Fund | — | 110,450 | $13,138,028 | 0.52% | Long | 2026-06-30 | |
| MFS New Discovery Fund | — | 110,994 | $12,642,217 | 0.59% | Long | 2026-05-31 | |
| VANGUARD HEALTH CARE INDEX FUND | — | 96,954 | $11,043,061 | 0.06% | Long | 2026-05-31 | |
| Fidelity Advisor Health Care Fund | — | 85,000 | $10,978,600 | 0.38% | Long | 2026-04-30 | |
| Fidelity Small Cap Growth Fund | — | 79,354 | $10,249,363 | 0.12% | Long | 2026-04-30 | |
| Fidelity Advisor Small Cap Fund | — | 88,600 | $10,091,540 | 0.43% | Long | 2026-05-31 | |
| Allspring SMID Cap Growth Fund | — | 79,806 | $9,492,924 | 1.15% | Long | 2026-06-30 | |
| Schwab Small-Cap Index Fund | SWSSX | 69,837 | $9,020,147 | 0.12% | Long | 2026-04-30 | |
| VIP Contrafund Portfolio | — | 67,500 | $8,029,125 | 0.03% | Long | 2026-06-30 | |
| Artisan Small Cap Fund | — | 65,058 | $7,738,649 | 0.81% | Long | 2026-06-30 | |
| Master Small Cap Index Series | — | 60,932 | $7,247,861 | 0.12% | Long | 2026-06-30 | |
| Fidelity Total Market Index Fund | FSKAX | 60,663 | $6,909,516 | 0.00% | Long | 2026-05-31 | |
| JNL/JPMorgan MidCap Growth Fund | — | 56,628 | $6,735,901 | 0.19% | Long | 2026-06-30 | |
| Principal U.S. Small-Cap ETF | PSC | 56,554 | $6,727,098 | 0.29% | Long | 2026-06-30 | |
| BlackRock Advantage Small Cap Core Fund | — | 58,581 | $6,672,376 | 0.13% | Long | 2026-05-29 | |
| VANGUARD STRATEGIC SMALL-CAP EQUITY FUND | VSTCX | 55,543 | $6,606,840 | 0.21% | Long | 2026-06-30 | |
| American Beacon Stephens Small Cap Growth Fund | — | 54,356 | $6,465,646 | 1.17% | Long | 2026-06-30 | |
| NVIT Allspring Discovery Fund | — | 47,775 | $5,682,836 | 1.15% | Long | 2026-06-30 | |
| Fidelity Series Total Market Index Fund | FCFMX | 49,318 | $5,617,320 | 0.01% | Long | 2026-05-31 | |
| Federated Hermes Kaufmann Small Cap Fund | — | 43,200 | $5,579,712 | 0.19% | Long | 2026-04-30 | |
| JPMorgan Small Cap Blend Fund | — | 44,767 | $5,325,035 | 0.31% | Long | 2026-06-30 | |
| Federated Hermes MDT Small Cap Core Fund | — | 40,934 | $5,287,035 | 0.28% | Long | 2026-04-30 |
Showing 1–50 of 306 positions
Key facts
CIK
1388658
CUSIP
450056106
13F (30d)
96 filings
95 filers
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